THE VEHICLE KEPT SHOWING CODES P1148, P1278 AND P1279. TOOK IT TO NISSAN DEALER SEVERAL TIMES AND THEY CHANGED MAF SENSOR, ALL OXYGEN SENSORS, FUEL SYSTEM CLEANING BUT THE CODE KEPT SHOWING UP. THE VEHICLE FINALLY SHUT OFF ON THE PARKWAY WITHOUT WARNING AND WE WERE REAR ENDED. LUCKILY WE WERE ONLY TWO IN THE FRONT OF THE VEHICLE AND HAD TO BE TAKEN TO THE HOSPITAL. WE BOTH HAVE SUFFERED SERIOUS INJURIES FROM THIS ACCIDENT. THE NISSAN ALTIMA IS A DEATH TRAP. NISSANS IS A BAD COMPANY....BEWARE!!! *TR